f2fs: fix to clear dirty inode in f2fs_evict_inode()

MITRE NVD CVE.ORG JSON API

Summary

CVECVE-2022-49364
StatePUBLISHED
AssignerLinux
Source PriorityCVE Program / NVD first with legacy fallback
Published2025-02-26 07:01:13 UTC
Updated2026-08-15 13:17:20 UTC
DescriptionIn the Linux kernel, the following vulnerability has been resolved: f2fs: fix to clear dirty inode in f2fs_evict_inode() As Yanming reported in bugzilla: https://bugzilla.kernel.org/show_bug.cgi?id=215904 The kernel message is shown below: kernel BUG at fs/f2fs/inode.c:825! Call Trace: evict+0x282/0x4e0 __dentry_kill+0x2b2/0x4d0 shrink_dentry_list+0x17c/0x4f0 shrink_dcache_parent+0x143/0x1e0 do_one_tree+0x9/0x30 shrink_dcache_for_umount+0x51/0x120 generic_shutdown_super+0x5c/0x3a0 kill_block_super+0x90/0xd0 kill_f2fs_super+0x225/0x310 deactivate_locked_super+0x78/0xc0 cleanup_mnt+0x2b7/0x480 task_work_run+0xc8/0x150 exit_to_user_mode_prepare+0x14a/0x150 syscall_exit_to_user_mode+0x1d/0x40 do_syscall_64+0x48/0x90 The root cause is: inode node and dnode node share the same nid, so during f2fs_evict_inode(), dnode node truncation will invalidate its NAT entry, so when truncating inode node, it fails due to invalid NAT entry, result in inode is still marked as dirty, fix this issue by clearing dirty for inode and setting SBI_NEED_FSCK flag in filesystem. output from dump.f2fs: [print_node_info: 354] Node ID [0xf:15] is inode i_nid[0] [0x f : 15]

Risk And Classification

Primary CVSS: v3.1 5.5 MEDIUM from [email protected]

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Problem Types: NVD-CWE-noinfo

CVSS v3.1 Breakdown

Attack Vector
Local
Attack Complexity
Low
Privileges Required
Low
User Interaction
None
Scope
Unchanged
Confidentiality
None
Integrity
None
Availability
High

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

NVD Known Affected Configurations (CPE 2.3)

TypeVendorProductVersionUpdateEditionLanguage
Operating System Linux Linux Kernel All All All All

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA Linux Linux affected a11b9f65eae766b17ec3451a6a1766f0a9d1dbff 54c116615c99e22aa08aa950757ed726e2f60821 git Not specified
CNA Linux Linux affected a11b9f65eae766b17ec3451a6a1766f0a9d1dbff ccd58045beb997544b94558a9156be4742628491 git Not specified
CNA Linux Linux affected a11b9f65eae766b17ec3451a6a1766f0a9d1dbff c9196d21359be8c7ee231029d13682273925fd00 git Not specified
CNA Linux Linux affected a11b9f65eae766b17ec3451a6a1766f0a9d1dbff 03c9373b15fa1c245ec99b2b5e7ba209eae4ef42 git Not specified
CNA Linux Linux affected a11b9f65eae766b17ec3451a6a1766f0a9d1dbff c469953917b319d415fd621b9e5d0ea5203565cd git Not specified
CNA Linux Linux affected a11b9f65eae766b17ec3451a6a1766f0a9d1dbff f2db71053dc0409fae785096ad19cce4c8a95af7 git Not specified
CNA Linux Linux affected 4.10 Not specified
CNA Linux Linux unaffected 4.10 semver Not specified
CNA Linux Linux unaffected 5.4.198 5.4.* semver Not specified
CNA Linux Linux unaffected 5.10.121 5.10.* semver Not specified
CNA Linux Linux unaffected 5.15.46 5.15.* semver Not specified
CNA Linux Linux unaffected 5.17.14 5.17.* semver Not specified
CNA Linux Linux unaffected 5.18.3 5.18.* semver Not specified
CNA Linux Linux unaffected 5.19 * original_commit_for_fix Not specified

References

ReferenceSourceLinkTags
git.kernel.org/stable/c/c9196d21359be8c7ee231029d13682273925fd00 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org Patch
git.kernel.org/stable/c/ccd58045beb997544b94558a9156be4742628491 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org Patch
git.kernel.org/stable/c/c469953917b319d415fd621b9e5d0ea5203565cd 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org Patch
git.kernel.org/stable/c/f2db71053dc0409fae785096ad19cce4c8a95af7 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org Patch
git.kernel.org/stable/c/54c116615c99e22aa08aa950757ed726e2f60821 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org Patch
git.kernel.org/stable/c/03c9373b15fa1c245ec99b2b5e7ba209eae4ef42 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org Patch
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